<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>迁徙图-天涯路儿</title>
  <style>
    .main {
      margin: 50px auto;
      width: 1000px;
      height: 600px;
    }
  </style>
</head>

<body>
  <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
  <div class="main" id="main"></div>

  <script src="echarts.min.js"></script>
  <script src="./china.js"></script>
  <script src="./data.js"></script>
  <script src="./path.js" async></script>
</body>

</html>